SPA — earn-defi.com https://earn-defi.com/blog Updates, milestones, and engineering changelog for SPA — systematic onchain stablecoin yield. en Track & refusal digest — 2026-07-11 https://earn-defi.com/changelog#changelog-2026-07-11 https://earn-defi.com/changelog#changelog-2026-07-11 Sat, 11 Jul 2026 00:00:00 GMT Changelog Evidenced paper track: 19/30 days (cumulative +0.21%, max drawdown 0.00%). Refusal log: 800 declined of 2000 hash-chained decisions. Paper research, advisory — the refusal log is the differentiator, not a rate. Paper Trading Phase Started https://earn-defi.com/blog/2026-06-20-paper-trading-started https://earn-defi.com/blog/2026-06-20-paper-trading-started Sat, 20 Jun 2026 00:00:00 GMT Milestone SPA officially entered paper trading with $100,000 USDC virtual capital across 20 DeFi adapters on Ethereum and Base. Internal Architecture Audit Completed https://earn-defi.com/blog/2026-06-19-architecture-audit https://earn-defi.com/blog/2026-06-19-architecture-audit Fri, 19 Jun 2026 00:00:00 GMT Engineering Comprehensive audit of all system components: adapters, RiskPolicy gates, GoLiveChecker, launchd daemons, and execution isolation. earn-defi.com Launched https://earn-defi.com/blog/2026-06-18-domain-launched https://earn-defi.com/blog/2026-06-18-domain-launched Thu, 18 Jun 2026 00:00:00 GMT Launch The public landing site for SPA goes live on Cloudflare Pages. Institutional-grade presentation with live GoLive readiness tracking.